On the western suburbs of Longzhou County, there is a long dragon stretching between the peaks and peaks. It stretches for dozens of miles. This is the famous ancient fort group, Xiaoliancheng. It was built in 1887 by Su Yuanchun as a frontier defense military fortification built to resist the invasion of foreign countries and defending the stability of the border. According to historical records, Xiaolianchengs terrain is in danger. Zuodang Towns Nanguan Confucius Road, right to the water gate, and the level is flat and closed, after which it can protect Longzhou City, and it is integrated with the frozen and Shuikou Fort. Known as the "Southern Great Wall." Su Yuanchun "takes the city fortress, and the soldiers gather the grain", which firmly controls the passages such as Shuikou, Pingshang and Zhennan.